blob: d620908b9e2bd28e0eff882b279a0e475562f008 [file] [log] [blame]
// Copyright 2019 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/shared/win32/graphics.h"
#include "starboard/extension/graphics.h"
namespace starboard {
namespace shared {
namespace win32 {
namespace {
float GetMaximumFrameIntervalInMilliseconds() {
// Allow the rasterizer to delay rendering indefinitely if nothing has
// changed.
return -1.0f;
}
float GetMinimumFrameIntervalInMilliseconds() {
// Frame presentation is blocked on vsync, so the render thread will also
// block on vsync. However, use a non-zero minimum frame time to avoid
// possible busy-loops on unrendered submissions.
return 1.0f;
}
const CobaltExtensionGraphicsApi kGraphicsApi = {
kCobaltExtensionGraphicsName,
2,
&GetMaximumFrameIntervalInMilliseconds,
&GetMinimumFrameIntervalInMilliseconds,
};
} // namespace
const void* GetGraphicsApi() {
return &kGraphicsApi;
}
} // namespace win32
} // namespace shared
} // namespace starboard